Category：Server
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Time：2021-4-23
Apache server is a binary file downloaded from Apache Haus site. The site introduction is compiled by visual c + +. Windows Server 2008 R2 system can’t run directly and will prompt the error of missing runtime. You can download Visual C + + 2015 from Microsoft official website and install it. Because the IIS […]
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Time：2021-4-23
Conditional variable We talked about locks before, but locks are not the only primitives needed in concurrent programming. In many cases, a thread needs to check that a condition is met before it can continue to run. For example, the parent thread needs to check whether the child thread has finished executing. How can this […]
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Time：2021-4-23
Suppose in a bash script, the functionfooIt is defined as follows: function foo { echo “>> $1 …” echo “>> $2 …” } Call foo: foo “” “test” That is, empty strings and”test”Call for parameter valuefooThe results are as follows >>> … >>> test … Now let’s say there’s a functionbar, which is defined as […]
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Time：2021-4-23
Verify on the system that the directory. And… Are different except the root directory‘ ls -> list files ls -i inodeDisplay inode node information ls -ddirectoryRepresents to display the properties of the directory itself, not the contents of the directory. ls -l long list formatIn addition to the file name, the file type, permissions, owner, […]
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Time：2021-4-23
Guo Mingxu, a famous analyst, said in the report that Apple will adopt “periscope telephoto lens” on iPhone in 2023. Guo did not elaborate, but there have been some rumors about Apple’s periscope lens, which will greatly improve the optical zoom function. He had expected apple to use a periscope lens on its iPhone in […]
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Time：2021-4-23
1. Hbuilder connects the mobile phone through USB cable. The mobile phone and the computer should be in the same network, and the mobile phone can access the local project of the computer in order to successfully open the project page
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Time：2021-4-23
Recently, Microsoft released pluton security processor, which aims to bring security progress to the future windows PC. It is reported that Microsoft has cooperated with AMD, Intel and Qualcomm to develop the new pluton security processor. This new security processor will make it more difficult for attackers to access the system. It will also improve […]
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Time：2021-4-23
This blog has changed the normal style of my previous writing, because there are a lot of professional materials on the Internet. I try my best to introduce them in easy to understand language, and I give up some of the professionalism. Please forgive me. Welcome to my technology blog:wi1dcard.dev Let’s talk about “preventing attackers […]
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Time：2021-4-23
preface For programmers, Git is no stranger to everyone, whether it is usedGitHuborGitLabGit is a free open source distributed version control system, which can quickly and efficiently handle all the contents of small to large projects. This article will not talk about the principle, let’s see what commands it has first Control + F quick […]
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Time：2021-4-23
Hadoop and spark are the mainstream big data frameworks at present, but with the advantages of spark in speed and ease of use, some domestic and foreign experts gradually praise spark technology, and think that spark is the future of big data. This paper will analyze the development process of Hadoop ecology and the technical […]
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Time：2021-4-23
https://missing.csail.mit.edu/https://missing-semester-cn.g…https://www.bilibili.com/vide… note Task control Shell will use the signaling mechanism provided by UNIX to perform inter process communication. When a process receives a signal, it stops executing, processes the signal, and changes its execution based on the information it transmits. At this point, a signal is a software interrupt. End process See man signal for […]
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Time：2021-4-23
Notes on learning Linux (1) Linux is strictly case sensitive Linux is strictly case sensitive, which is different from windows, so we should pay attention to the differences of case sensitivity in operation, including file name and directory name, command, command options, configuration file configuration options, etc Linux everything is files All contents in Linux […]
